dridex | dd7b140527c19a4d7dd199e2fbb504047f2ce5a1b33b98b6d9ec1e28e2b778c8

Analysis

max time kernel
140s
max time network
31s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
30-08-2024 23:24

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General

Target

9594577308c87de7eabcf43d26efc638a2047f2e78985e7dde17287317d4cfaf.dll
Size

664KB
MD5

22cdafaa93390d4fe9b9e1a4d87267a4
SHA1

5a4e352b18bdbe9c94f45417d8796d64442e6413
SHA256

9594577308c87de7eabcf43d26efc638a2047f2e78985e7dde17287317d4cfaf
SHA512

62bac44c033ab6d0263bc3ae55587daf7e7e242885ce5c78bd49a578acd2a3a2004641da603793a07f2443dfc5981c3b6b4ba0f7c3ee8db4824b0eb3237fc9f1
SSDEEP

12288:X/0Qzqf0efi48bM+6TFKywVt6PbEYU0eyJTT/Mu9oV01u7oaEPj:P0zhfkn6TFKywvCbEOxDMu9oy9aEPj

Score

10^/10

dridex 10222 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10222

174.128.245.202:443

51.83.3.52:13786

69.64.50.41:6602

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow	pid	Process
3	2296	rundll32.exe
5	2296	rundll32.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

rundll32.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

rundll32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 2136 wrote to memory of 2296	2136	rundll32.exe	30
PID 2136 wrote to memory of 2296	2136	rundll32.exe	30
PID 2136 wrote to memory of 2296	2136	rundll32.exe	30
PID 2136 wrote to memory of 2296	2136	rundll32.exe	30
PID 2136 wrote to memory of 2296	2136	rundll32.exe	30
PID 2136 wrote to memory of 2296	2136	rundll32.exe	30
PID 2136 wrote to memory of 2296	2136	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9594577308c87de7eabcf43d26efc638a2047f2e78985e7dde17287317d4cfaf.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2136
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9594577308c87de7eabcf43d26efc638a2047f2e78985e7dde17287317d4cfaf.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2296

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2296-0-0x0000000000CA0000-0x0000000000DDC000-memory.dmp

Filesize
1.2MB

Download
memory/2296-2-0x0000000000CA0000-0x0000000000DDC000-memory.dmp

Filesize
1.2MB

Download
memory/2296-3-0x0000000000CA0000-0x0000000000DDC000-memory.dmp

Filesize
1.2MB

Download
memory/2296-6-0x0000000000CA0000-0x0000000000DDC000-memory.dmp

Filesize
1.2MB

Download
memory/2296-5-0x0000000000D42000-0x0000000000D48000-memory.dmp

Filesize
24KB

Download
memory/2296-7-0x0000000000CA0000-0x0000000000DDC000-memory.dmp

Filesize
1.2MB

Download